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Revisiting the Total Contact Cast

Maximizing off-loading by wound isolation

¹ The Cleveland Clinic Diabetic Foot Care Program, Cleveland, Ohio
² Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, Ohio
³ Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio
⁴ Department of Orthopaedic Surgery and the Orthopaedic Research Center, Cleveland Clinic Foundation, Cleveland, Ohio

Address correspondence and reprint requests to Peter R. Cavanagh, PhD, DSc, Department of Biomedical Engineering/ND20, The Cleveland Clinic Foundation, 9500 Euclid Ave., Cleveland, OH 44195. E-mail: cavanap@ccf.org. Web: http://www.lerner.ccf.org/bme/cavanagh/lab

Abbreviations: ROI, region of interest • TCC, total contact cast

The first 20% of the full text of this article appears below.

	INTRODUCTION

 
Although the benefits of total contact casting for healing plantar neuropathic ulcers are consistent throughout a large body of available literature, the method of cast application varies (1–17). Cast structure at the ulcer site provides one major variance, i.e., should the cast create total contact with the entire plantar surface of the foot or should the wound be isolated? This article aims to resolve this issue by examining the differences in plantar pressure at the wound site between total contact casting using full contact with the plantar aspect of the foot and wound isolation.

	RESEARCH DESIGN AND METHODS

 
A total of 10 healthy adult subjects (aged 28 ± 13 years, height 1.81 ± 0.1 m, and weight 92.6 ± 18 kg) with focal areas of pressure (but no history of ulceration) under their metatarsal heads were recruited. For each subject, a region of interest (ROI) was selected to encompass areas of particularly high pressure. This study was approved by the Institutional Review Board of the Cleveland Clinic Foundation, and all subjects signed informed consent forms. A Pliance pressure-sensitive array (Novel) was fixed directly to the subject’s foot covering the ROI. The 16 x 16 sensor array had a sensor size of 19.36 . . . [Full Text of this Article]

	RESULTS

 

	CONCLUSIONS

 

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